Power Systems Which of the following transformer is used in sub station for operating a protective relay? All of these capacitor voltage transformer auto transformer distribution transformer All of these capacitor voltage transformer auto transformer distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays are used in protection of medium transmission lines? any of the above Mho relays Impedance relays Admittance relays any of the above Mho relays Impedance relays Admittance relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems If skin depth is more, then skin effect is less None of these either 1 or 2 more less None of these either 1 or 2 more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power stations is mainly used to cover peak load on the system? pumped storage hydro power plant coal based thermal power plant nuclear plant gas based thermal power plant pumped storage hydro power plant coal based thermal power plant nuclear plant gas based thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes is Impeller. Pelton. Francis. Kaplan. Impeller. Pelton. Francis. Kaplan. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0060 0.0030 0.30 0.60 0.0060 0.0030 0.30 0.60 ANSWER DOWNLOAD EXAMIANS APP
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